Global Patent Index - EP 0821697 B1

EP 0821697 B1 2000-07-26 - METHOD FOR PREPARING STREPTOGRAMINES

Title (en)

METHOD FOR PREPARING STREPTOGRAMINES

Title (de)

VERFAHREN ZUR HERSTELLUNG VON STREPTOGRAMINEN

Title (fr)

PROCEDE DE PREPARATION DE STREPTOGRAMINES

Publication

EP 0821697 B1 (FR)

Application

EP 96913594 A

Priority

  • FR 9504585 A
  • FR 9600575 W

Abstract (en)

[origin: WO9633213A1] A method for preparing streptogramines of general formula (I), wherein R1 is methyl or ethyl, R2 is H and X and Y together form an oxo radical, or R1 is ethyl, R2 and X are H and Y is H or OH, or else R1 is ethyl, R2 is OH and X and Y together form an oxo radical, by demethylating a synergistin derivative of general formula (II), wherein R1, R2, X and Y are as defined above, by means of a treatment with a periodate in an acetic medium, followed by a treatment in an aqueous medium.

IPC 1-7 (main, further and additional classification)

C07K 7/06

IPC 8 full level (invention and additional information)

A01N 43/72 (2006.01); A01N 63/00 (2006.01); C07K 1/02 (2006.01); C07K 7/06 (2006.01); A61K 38/00 (2006.01)

CPC (invention and additional information)

C07K 7/06 (2013.01); A61K 38/00 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

EPO simple patent family

WO 9633213 A1 19961024; AP 768 A 19990929; AP 9701121 D0 19971031; AR 002291 A1 19980311; AT 194991 T 20000815; AU 5652896 A 19961107; AU 708419 B2 19990805; BR 9604927 A 19980609; CA 2215991 A1 19961024; CN 1181758 A 19980513; CZ 285798 B6 19991117; CZ 9703290 A3 19980114; DE 69609499 D1 20000831; DE 69609499 T2 20010322; DK 0821697 T3 20001120; EA 000350 B1 19990429; EA 199700325 A1 19980430; EG 20782 A 20000229; EP 0821697 A1 19980204; EP 0821697 B1 20000726; ES 2148759 T3 20001016; FR 2733236 A1 19961025; FR 2733236 B1 19970523; GR 3033873 T3 20001031; HU 9802942 A2 19990428; HU 9802942 A3 19990528; IL 117968 A 20000601; IL 117968 D0 19960804; IN 185120 B 20001118; JP 2007031434 A 20070208; JP 3856342 B2 20061213; JP H11503742 A 19990330; MX 9707749 A 19971129; NO 974747 A 19971014; NO 974747 D0 19971014; NZ 307236 A 19981223; OA 10525 A 20020430; PL 322822 A1 19980216; PT 821697 E 20010131; SK 140497 A3 19980204; TR 9701204 T1 19980321; US 5789537 A 19980804; ZA 9603102 B 19960730

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